1) Sewage treatment a) benefits b) damages 2) Renewable energy a) benefits b) damages 3) Intensive agriculture a) benefits b) damages 4) Recycling and reuse a) benefits b) damages 5) Deforestation a) benefits b) damages 6) Combustion of fossil fuels a) benefits b) damages 7) Environmental cleanliness a) benefits b) damages 8) Industrial production a) benefits b) damages

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